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123010221023 = 2691015945013
BaseRepresentation
bin111001010001111111…
…0110000001111011111
3102202111210102200102222
41302203332300033133
54003411104033043
6132302103535555
711613210424664
oct1624376601737
9382453380388
10123010221023
1148194076798
121ba0ba5a5bb
13b7a4a39c41
145d4d04da6b
1532ee3b7d68
hex1ca3fb03df

123010221023 has 8 divisors (see below), whose sum is σ = 123482404800. Its totient is φ = 122538148128.

The previous prime is 123010221007. The next prime is 123010221091. The reversal of 123010221023 is 320122010321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123010221023 - 24 = 123010221007 is a prime.

It is a super-2 number, since 2×1230102210232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123010220992 and 123010221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123010221623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710265 + ... + 2755277.

It is an arithmetic number, because the mean of its divisors is an integer number (15435300600).

Almost surely, 2123010221023 is an apocalyptic number.

123010221023 is a deficient number, since it is larger than the sum of its proper divisors (472183777).

123010221023 is a wasteful number, since it uses less digits than its factorization.

123010221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55441.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123010221023 its reverse (320122010321), we get a palindrome (443132231344).

The spelling of 123010221023 in words is "one hundred twenty-three billion, ten million, two hundred twenty-one thousand, twenty-three".

Divisors: 1 269 10159 45013 2732771 12108497 457287067 123010221023